Recorders – Record receiver deforming
Patent
1982-12-22
1984-10-30
Hess, Bruce H.
Recorders
Record receiver deforming
346212, 346216, 346217, 346221, 346225, B41M 522
Patent
active
044802609
ABSTRACT:
A color-developing sheet for pressure-sensitive recording sheets having a color-developing layer on the base sheet wherein the color-developing layer includes 3 to 20 parts by weight of zinc carbonate, 1 to 30 parts by weight of thiourea compound and 0.1 to 5 parts by weight of bisphenol per 100 parts by weight of activated clay.
REFERENCES:
patent: 4408781 (1983-10-01), Watanabe
patent: 4421344 (1983-12-01), Ikezawa et al.
Hasegawa Akira
Suzuki Mamoru
Umeda Hiroaki
Yamato Noboru
Hess Bruce H.
Jujo Paper Co. Ltd.
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